The Seventh Circuit denied a petition for review challenging EPA’s decisions to redesignate three geographic areas—Milwaukee-Racine, Greater Chicago, and the Illinois portion of the St. Louis area—as having attained the 1997 NAAQS for ozone. Before redesignating an area, the CAA requires EPA t...

A district court dismissed individuals' CAA citizen suit against an oil company for emission violations at the company's refinery, olefins plant, and chemical plant in Baytown, Texas. It is undisputed the company violated some emission standards or limitations under its Title V permit. Indeed, it is...

The D.C. Circuit held that EPA's regulations implementing the 2008 NAAQS for ozone exceed the Agency’s authority under the CAA. In 2008, EPA revised and strengthened the standards for ozone pursuant to the CAA. One of the revisions extended the deadline for some regions to attain the new standards...

A California appellate court upheld a lower court decision denying an environmental group's petition challenging a county's approval of a proposed surface mining operation on a 1,500-acre site at the base of the Sierra Nevada foothills. As required by the California Environmental Quality Act, an env...

The Ninth Circuit upheld a lower court decision dismissing an environmental group's citizen suit requesting EPA to issue more stringent regulations for ozone pollution under the PSD program. The group alleged that the EPA Administrator has a nondiscretionary duty to issue revised ozone regulations u...